53855680788 has 288 divisors, whose sum is σ = 175575871744. Its totient is φ = 14055026688.

The previous prime is 53855680771. The next prime is 53855680807. The reversal of 53855680788 is 88708655835.

53855680788 is a `hidden beast` number, since 5 + 3 + 8 + 556 + 8 + 0 + 78 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8576706 + ... + 8582982.

Almost surely, 2^53855680788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53855680788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87787935872).

53855680788 is an abundant number, since it is smaller than the sum of its proper divisors (121720190956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53855680788 is a wasteful number, since it uses less digits than its factorization.

53855680788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413 (or 6399 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 63.

The spelling of 53855680788 in words is "fifty-three billion, eight hundred fifty-five million, six hundred eighty thousand, seven hundred eighty-eight".